Subject: Re: USB mouse goes dark
To: Matthieu Herrb <>
From: Bill Studenmund <>
List: current-users
Date: 04/28/2005 10:56:13
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On Thu, Apr 28, 2005 at 07:37:33PM +0200, Matthieu Herrb wrote:
> Bill Studenmund wrote:
> >
> >Switching away and back fixes things.
> >
> >I have a PowerBook running MacOS 10.3.9 that's also hooked into the same=
> >KVM via USB, and it does the same thing.
> Most recent mouses can be programmed from the host. When you use one
> with a kvm, there's no way to make sure that each machine connected to=20
> the kvm  has set the same internal state in the mouse. So unless you=20
> reinitialise it after a switching the output of the kvm, the mouse gets=
> out of synch with the OS, and probably won't work.

Probalby correct, but how many settings are there for wheel mouse? :-)=20
Both OSs use the wheel functionality.

> Switching to a text console and back in X closes and open /dev/wsmouse,=
> and reinitialises it.

Note: I "switch away and back" on the KVM, not the virtual consoles. So I=
don't think it's wsmouse close/open.

Take care,


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